/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file   (C)ChaN, 2013
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
	#endif

	#define _USE_WRITE	1	/* 1: Enable disk_write() function */
	#define _USE_IOCTL	1	/* 1: Enable disk_ioctl() fucntion */

	#include "integer.h"


	/* Status of Disk Functions */
	typedef BYTE	DSTATUS;

	/* Results of Disk Functions */
	typedef enum {
		RES_OK = 0,		/* 0: Successful */
		RES_ERROR,		/* 1: R/W Error */
		RES_WRPRT,		/* 2: Write Protected */
		RES_NOTRDY,		/* 3: Not Ready */
		RES_PARERR		/* 4: Invalid Parameter */
	} DRESULT;


	/*---------------------------------------*/
	/* Prototypes for disk control functions */
	/*---------------------------------------*/


	DSTATUS disk_initialize (BYTE pdrv);
	DSTATUS disk_status (BYTE pdrv);
	DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
	#if	_USE_WRITE
	DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
	#endif
	#if	_USE_IOCTL
	DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
	#endif


	/* Disk Status Bits (DSTATUS) */
	#define STA_NOINIT		0x01	/* Drive not initialized */
	#define STA_NODISK		0x02	/* No medium in the drive */
	#define STA_PROTECT		0x04	/* Write protected */


	/* Command code for disk_ioctrl fucntion */

	/* Generic command (used by FatFs) */
	#define CTRL_SYNC			0	/* Flush disk cache (for write functions) */
	#define GET_SECTOR_COUNT	1	/* Get media size (for only f_mkfs()) */
	#define GET_SECTOR_SIZE		2	/* Get sector size (for multiple sector size (_MAX_SS != _MIN_SS)) */
	#define GET_BLOCK_SIZE		3	/* Get erase block size (for only f_mkfs()) */
	#define CTRL_ERASE_SECTOR	4	/* Force erased a block of sectors (for only _USE_ERASE) */

	/* Generic command (not used by FatFs) */
	#define CTRL_FORMAT			5	/* Create physical format on the media */
	#define CTRL_POWER_IDLE		6	/* Put the device idle state */
	#define CTRL_POWER_OFF		7	/* Put the device off state */
	#define CTRL_LOCK			8	/* Lock media removal */
	#define CTRL_UNLOCK			9	/* Unlock media removal */
	#define CTRL_EJECT			10	/* Eject media */

	/* MMC/SDC specific ioctl command (not used by FatFs) */
	#define MMC_GET_TYPE		50	/* Get card type */
	#define MMC_GET_CSD			51	/* Get CSD */
	#define MMC_GET_CID			52	/* Get CID */
	#define MMC_GET_OCR			53	/* Get OCR */
	#define MMC_GET_SDSTAT		54	/* Get SD status */

	/* ATA/CF specific ioctl command (not used by FatFs) */
	#define ATA_GET_REV			60	/* Get F/W revision */
	#define ATA_GET_MODEL		61	/* Get model name */
	#define ATA_GET_SN			62	/* Get serial number */


	/* MMC card type flags (MMC_GET_TYPE) */
	#define CT_MMC		0x01		/* MMC ver 3 */
	#define CT_SD1		0x02		/* SD ver 1 */
	#define CT_SD2		0x04		/* SD ver 2 */
	#define CT_SDC		(CT_SD1|CT_SD2)	/* SD */
	#define CT_BLOCK	0x08		/* Block addressing */


	#ifdef __cplusplus
}
#endif

#endif
